Foreword

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This document was prepared by Technical Committee ISO/TC 38, Textiles, in collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC 248, Textiles and textile products, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).

This second edition cancels and replaces the first edition (ISO 9073-11:2002), which has been technically revised.

The main changes are as follows:

the title has been changed from "Textiles — Test methods for nonwovens — Part 11: Run-off" to "Nonwovens — Test methods — Part 11: Run-off";
In the scope, Test I to Test III have been changed to Option A to Option C;
In the scope, the text [For the research and development (R&D) purposes, other characteristics could be measured according to Annex D] has been added;
Clause 4, Conditioning, and Clause 5, Sampling, have been introduced in this document;
former Clause 4 (Test I), Clause 5 (Test II) and Clause 6 (Test III), have been moved to Annex A, Annex B and Annex C, respectively;
the content of former Annex A have been moved to a new Annex D.

A list of all parts in the ISO 9073 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A complete listing of these bodies can be found at www.iso.org/members.html.

1 Scope

This document specifies test methods to measure the amount of test liquid (simulated urine) which runs down a nonwoven test specimen when a specified mass of test liquid is poured on the nonwoven test specimen superimposed on a standard absorbent medium and placed on an inclined plane.

This document is designed to compare run-off of nonwovens. It is not intended to simulate in use conditions for finished products.

The three methods are:

Option A - basic method for testing hydrophilic nonwovens, see Annex A.
Option B - repeated test, with the same test parameters as the basic method with additional information in Option A, see Annex B.
Option C - modified method for testing hydrophobic nonwovens specifying another degree of incline, see Annex C.

The test method is designed to measure the repellency of hydrophobic nonwovens. At the standard inclination angle, Option A isn’t able to distinguish between different levels of hydrophobicity. By decreasing the inclination of the table, one can assess the difference in repellence of hydrophobic nonwovens.

For R&D purposes, other characteristics can be measured according to Annex D.

2 Normative references

3 Terms and definitions

4 Conditioning

5 Sampling

5.1 Lot size

5.2 Sampling

5.3 Laboratory samples

5.4 Laboratory test specimens

6 Three options of the method

Bibliography

ISO 9073-11:2026

Nonwovens. Test methods - Run-off

Current

Published:

30 Jan 2026